This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 36 |
| 2 | 1348 |
| 3 | 46140 |
| 4 | 1608968 |
| 5 | 55161270 |
| 6 | 1884162624 |
| 7 | 64278999490 |
| 8 | 2192134613268 |
| 9 | 74751612059942 |
| 10 | 2548947544959236 |
| 11 | 86915544096055764 |
| 12 | 2963690927218083408 |
| 13 | 101057383442299027280 |
| 14 | 3445903376402787417912 |
| 15 | 117500067196994800465952 |